src/test/compile-fail/edition-extern-crate-allowed.rs


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// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// aux-build:edition-extern-crate-allowed.rs
// compile-flags: --edition 2015
// compile-pass

#![warn(rust_2018_idioms)]

extern crate edition_extern_crate_allowed;
//~^ WARNING unused extern crate

fn main() {}